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XSTOU 25P导阀型蒸汽减压阀为导阀型隔膜式，有法兰和螺纹连接，联系在线客户可提供样本；斯派莎克25系列导阀型隔膜式调节阀，通过对同一主阀、不同型号导阀的多元化组合，可控制蒸汽压力。XSTOU 25P导阀型蒸汽减压阀在普通减压阀的基础上做了很大的改进。膜片采用了新型材料，并大大加工了工作面积，因此阀门上游压力或下游负荷细微的变化都能及时准确的反馈到主阀膜片，来调节主阀的开度，确保下游压力的稳定。
The XSTOU 25P pilot valve steam pressure reducing valve is a pilot valve diaphragm type, with flange and threaded connections. Contact online customers to provide samples; The Spark 25 series pilot valve diaphragm type regulating valve can control steam pressure through diversified combinations of the same main valve and different types of pilot valves. The XSTOU 25P pilot valve steam pressure reducing valve has made significant improvements on the basis of ordinary pressure reducing valves. The diaphragm adopts new materials and greatly processes the working area, so subtle changes in upstream pressure or downstream load of the valve can be timely and accurately fed back to the main valve diaphragm to adjust the opening of the main valve and ensure the stability of downstream pressure.

结构特点：

■ 导阀弹簧：三种颜色的弹簧，可提供从0.2-14bar g范围内不同压力的准确控制。

■ 温度调节刻度盘：快速准确的设定所需温度。

■ 温度感应器：在温控元件中有无需补偿的液体，感应瞬时温度的变化，提供准确的控制。

■ 测试每一个25系列的调节阀在出厂前都经测试，以确保无故障的操作。

Structural features:

Pilot valve spring: Three colors of springs can provide accurate control of different pressures within the range of 0.2-14 bar g.

Temperature adjustment dial: quickly and accurately set the required temperature.

Temperature sensor: There is an uncompensated liquid in the temperature control element, which senses instantaneous temperature changes and provides accurate control.

Each 25 series regulating valve is tested before leaving the factory to ensure fault free operation.

工作原理：

25P蒸汽减压阀，斯派莎克减压阀启动前导阀弹簧处于自由状态时，主阀和导阀处于关闭状态。导阀由弹簧力作用打开，蒸汽经由导阀进入主隔膜室，一部分蒸汽则经由控制孔流出，当由导阀流入的蒸汽大于由控制孔流出的蒸汽，主隔膜室中的控制压力增大，打开主阀。随着蒸汽流过主阀，下游压力的增量经由感应管反馈，作用在导阀膈膜下，平衡隔膜上部的弹簧压力，使导阀逐渐关闭节流，维持主隔膜室中的压力，控制主阀开度输送适量的蒸汽。调节导阀隔膜上的弹簧即可改变下游压力。